(19)

(11)

EP 2 638 372 A2

(12)

(43) Date of publication: 18.09.2013 Bulletin 2013/38 (21) Application number: 11805131.7 (22) Date of filing: 08.11.2011

(51) International Patent Classification (IPC):  G01K 11/32(2006.01) G01L 1/24(2006.01) G01K 1/14(2006.01) (86) International application number: PCT/GB2011/052176 (87) International publication number: WO 2012/063062 (18.05.2012 Gazette 2012/20)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 08.11.2010 GB 201018802 (71) Applicant: Silixa Ltd Elstree, London WD6 3SN (GB)	(72) Inventors: FARHADIROUSHAN, Mahmoud Stanmore Middlesex HA7 4FW (GB) TODOROV, Mladen London Kent DA16 1PF (GB) (74) Representative: Wallin, Nicholas James et al Withers & Rogers LLP 4 More London Riverside London SE1 2AU London SE1 2AU (GB)